# Andrew Abdallah > Senior Software Engineer | Python, Go | AI/LLM Systems, Scalable Backend & Distributed Systems | AWS, Kubernetes Location: San Francisco Bay Area, United States Profile: https://flows.cv/andrewabdallah Backend Software Engineer with 9+ years of experience building scalable, high-performance systems across SaaS, cloud, and data-intensive applications. Currently working at AppZen, where I design and develop AI-driven backend services using Go and Python, focusing on distributed systems, reliability, and large-scale data processing. I collaborate closely with ML teams to productionize models and optimize latency, throughput, and cost in real-world environments. My experience includes: • Designing scalable APIs and backend services (Python, Django, Go) • Building and optimizing data pipelines (PostgreSQL, Elasticsearch, S3) • Cloud-native architectures (AWS, Docker, Kubernetes) • Performance tuning and database optimization at scale • Contributing to system design and distributed architecture decisions Previously at Too Good To Go, I helped build and optimize backend systems serving production users, improving performance and reliability through query optimization, monitoring, and scalable API design. I enjoy working on complex backend challenges, distributed systems, and building reliable systems that scale. Currently open to opportunities where I can contribute to high-impact backend or platform engineering teams. ## Work Experience ### Senior Software Engineer @ AppZen Jan 2024 – Present | San Jose, California, United States • Designed and built scalable AI-driven backend services using Go and Python, supporting high-throughput and low-latency workloads • Contributed to system architecture and distributed system design, improving reliability and performance of core services • Built and optimized data pipelines and APIs using PostgreSQL, Elasticsearch, and Amazon S3 for large-scale data processing • Integrated ML models into production systems, optimizing latency, throughput, and cost efficiency • Developed cloud-native solutions using AWS and Kubernetes, enabling scalable deployments and automated rollouts • Improved system performance and reliability through monitoring, CI/CD pipelines, and production best practices • Mentored junior engineers and contributed to design reviews and engineering standards ### Software Engineer @ Too Good To Go Jan 2021 – Jan 2024 | France Software Engineer — Too Good To Go Sep 2021 – Sep 2024 | Remote • Reduced data import processing time by 89% (45 → 5 minutes) by refactoring parsing logic, optimizing SQL queries, and introducing Redis caching • Identified and resolved a critical cross-service data sync issue within the first month, restoring 100% data consistency across systems • Developed backend services and REST APIs using Django, Python, and PostgreSQL for a production-scale application • Designed and optimized complex database queries and indexing strategies to improve performance and scalability • Monitored system performance and resolved bottlenecks to enhance reliability • Built internal React dashboards integrating backend APIs, enabling real-time operational insights • Wrote automated tests and participated in code reviews to ensure code quality and maintainability • Collaborated with product and engineering teams to deliver scalable features in an Agile environment ### Windows CE Developer @ CodaBene Jan 2021 – Jan 2021 | France Managed database structures using SQL queries for data manipulation tasks. Participated in the full life cycle of software development from concept through implementation including debugging and troubleshooting ### Software Engineer Dotnet @ Bright Information System Jan 2016 – Jan 2021 • Optimized existing database queries for improved performance and scalability. • Wrote stored procedures, triggers, and functions in T-SQL language for complex business logic implementation. • Integrated third-party APIs into existing applications to enhance their functionalities. • Configured replication using SQL Server Agent Service to broadcast new data from Main Server to the clients and to consolidate transactions from clients into Main Server. • Integration with Bright ERP system on Oracle database using SQL Server replication, Toad for oracle, SQL Plus and PL\SQL. • Implemented object-oriented programming principles to design efficient software solutions. • Maintained source code version control system for tracking changes in the codebase. • Worked closely with business analysts to understand requirements and develop solutions accordingly. • Provided technical support for users facing issues related to the .NET applications developed. • Collaborated with cross-functional teams to define requirements and design solutions according to project needs. • Enhanced existing features based on feedback from customers or stakeholders. • Monitored application logs regularly to detect any potential errors or performance bottlenecks. • Debugged code is written in .NET languages such as C# and VB.Net using Visual Studio IDE. • Resolved issues reported by end users quickly while always ensuring high customer satisfaction levels. • Analyzed existing codebase thoroughly to identify areas of improvement or refactoring opportunities. • Performed software testing activities such as functional testing, integration testing, and regression testing, to identify bugs or defects in the system before release. • Creating Reports and dashboards. • Participated in developing Web Service between Bright ERP System and Stock Control System on Handheld. • Participated in developing mini sales and stock control system on handheld. ### Senior .NET Software Developer @ Microsys Jan 2017 – Jan 2020 | Cairo, Egypt - Designed custom software solutions, including ticketing and parking systems, with full SAP ERP integration. - Led the team in version control setup using Git, ensuring streamlined project tracking. ### Software Developer Dotnet @ OBS Jan 2015 – Jan 2016 | Cairo Governorate, Egypt • Participated in Development of GoldenBox System. ## Education ### Bachelor's degree in Computer Engineering and Science Faculty of Electronic Engineering, Menoufia University ## Contact & Social - LinkedIn: https://linkedin.com/in/andrew-abdallah-944922199 - Website: https://github.com/andrewabdallah --- Source: https://flows.cv/andrewabdallah JSON Resume: https://flows.cv/andrewabdallah/resume.json Last updated: 2026-04-01